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TOKYO OHKA KOGYO CO., LTD. has decided to construct a new Pyeongtaek Plant in its consolidated subsidiary TOK Advanced Materials Co., Ltd. in Pyeongtaek, Gyeonggi Province, South Korea. The Phase 1 construction includes a high-purity chemical manufacturing building with an investment of approximately 12.0 billion yen.
| Site | Largest | Latest |
|---|---|---|
| Pyeongtaek, South Korea | $84.0M | 2025-08-06 |